BIOL202 Week 2 Lab 2 Introduction to the Microscope APU

Lab2:IntroductiontotheMicroscope(100points)  Eachquestiononthelabworksheetmustbeansweredcompletely,thoroughly,incompletesentencesand correctlyin orderto beconsideredforfullcredit  Ifthequestionasksyoutodoresearchorfindasource,areputable,credibleand/orscholarlysourcecitationmustbeincluded inorder tobeconsidered for fullcredit  Ifamathformulaisrequiredtoarrivetoananswer,workmustbeshownotherwise,nocreditwill beawarded Pre-LabQuestions 1. What are two functional purposes of the arm on a compound microscope? (10 points) 2. Whatisthedifferencebetweenthecoarseadjustmentknobandthefineadjustmentknob?Whenisitappropriatetouseeach of them? (10points) 3. If you are using a compound microscope with an ocular lens with a magnification of 10xand an objective lens with a magnification of 4x, what is the total magnification? (5points) 4. In this lab, we discussed preparation of a wet mount slide. Research and describeanotherslidepreparationandanexampleofwhenit wouldbeused. (10points) Experiment1Post-LabQuestions 1. What is the first step normally taken when you look through the ocular lenses? (10points). 2. What does it mean that the image is inverted when you look through the ocular lenses?(10 points). 3. What new details are you able to see on the slide when the magnification is increased to10xthatyoucouldnotseeat4x?Whataboutat40x?(5points). 4. Whatwereyourcalibrationmeasurementsforthefollowingobjectives?(10points) 5. Whatwereyourobjectiveandmeasurementestimatesforthefollowingspecimens?(10points) 6. Whyisitimportanttoproperlycalibratethemicroscopebeforeyoubegintoviewspecimen? (10 points). 7. Describe the qualitative differences of the samples you notice with the different types ofmicroscopeviewsinthe“MicroscopeCompare”and“SpecimenCompare”exercises.(10points).